.NET 4 apps always crash

Hi, I use two .NET 4 apps, MetroTwit (stable, latest version) and Wunderlist. Both have a terrible issue where they immediately crash on launch with a window that looks like this: Image: http://i.imgur.com/I7jLIng.png Sometimes, if I repeatedly launch them like 5 times in under 3 seconds, they'll launch and work for a little bit, before displaying the same window. *I've tried using...